Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
danh di » danh du, danh dien, danh gia
xanh di » xanh tai
te cac » tu cac, te cao, de cac
ve cac » va cac, vien cac
loc va » hoc va, luc va
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky nang x hoi. hieu ve cac loc va ((danh di) or (((xanh di) OR (vanh dai)))) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang x hoi. hieu ve cac loc va ((danh di) OR (((xanh di) OR (vanh dai)))) su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky nang x hoi. hieu ve cac loc va ((danh di) or (((xanh di) OR (vanh dai)))) su triet".
• Adding a wildcard symbol may retrieve word variants: te cac ky nang x hoi. hieu ve cac loc va ((danh di) or (((xanh di) OR (vanh dai)))) su triet*.